DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation. What is a physical or chemical agent that changes the nucleotide sequence of DNA? The definition of the term ‘mutagen’ is a chemical or physical agent that causes…

E;ducation and Training (PREVENT) is the Navy’s only formal (Level I) drug abuse prevention program. What document governs the basic policies on Navy uniform? The Uniform Code of Military Justice (UCMJ, 64 Stat. 109, 10 U.S.C. §§ 801–946) is the foundation of military law in the United States. Who is responsible for establishing policy and…

In a distance-time graph, the slope or gradient of the line is equal to the speed of the object. What does the slope of a distance-versus-time graph represent physically quizlet? The slope of the curve on a distance-versus-time graph represents the speed. As the slope steepens, the speed also increases. What is the physical meaning…

Playing quietly or being loud and more active; Being able to eat, sleep, and play based on individual needs; Exploring a variety of age-appropriate materials and activities, including books, building toys, art supplies, pretend play materials, sensory play materials, and so forth; and. Why infants need variety in their physical environment? Movement in environment not…

Examples of Physical Contamination Common examples of physical contaminants include hair, bandages, fingernails, jewelry, broken glass, metal, paint flakes, bone, the body parts of pests, or pest droppings. What are 4 examples of physical contamination? hair. fingernails. bandages. jewellery. broken glass, staples. plastic wrap/packaging. dirt from unwashed fruit and vegetables. pests/pest droppings/rodent hair. What is…

Types of some physical changes are texture, shape, temperature, and a change in the state of matter. A change in the texture of a substance is a change in the way it feels. How does a change in temperature cause physical change? When thermal energy is added to a substance, its temperature increases, which can…

There are a number of benefits that come from Direct Access. Massachusetts is one of 20 states that allow patients total, unrestricted access to a physical therapist. In most cases, no type of physician referral is required for a physical therapist to treat a patient. How do I get a Massachusetts physical therapy license? Earn…

Allopatric speciation (1) occurs when a species separates into two separate groups which are isolated from one another. A physical barrier, such as a mountain range or a waterway, makes it impossible for them to breed with one another. What happens when two populations become separated? The central idea here is that when populations are…

A positive body image can lead to high levels of self-esteem. Your positive feelings toward your body can foster confidence, develop your abilities, and help you feel happier. It can also spur you to take better care of both your body and your mind. A negative body image can lead to lower self-esteem. How important…

A mixture is created when two or more different substances are physically combined and can be separated back into its original substances. What is formed when 2 or more elements combine? A compound is a substance formed when two or more chemical elements are chemically bonded together. Two types of chemical bonds common in compounds…

Being physically active can improve your brain health, help manage weight, reduce the risk of disease, strengthen bones and muscles, and improve your ability to do everyday activities. Adults who sit less and do any amount of moderate-to-vigorous physical activity gain some health benefits. What are the 10 positive benefits of taking part in physical…

Agility. Balance. Coordination (hand-eye and/or foot-eye) Power. Reaction time. Speed. What are the skill related components and its definition? The skill-related components of physical fitness include: power, speed, agility, coordination, balance, and reaction time. The key to this dot point is to connect each component with movement efficiency so that you can discuss and analyse…

PARI, also known as sports and recreational activity-related injury, was defined as any injury resulting from participation in physical education (PE) class, sports activities or leisure time PA, such as sprain, fracture, sunstroke, and et al. What type of medication would you most likely use for a mild sprain? Ibuprofen. Ibuprofen is the most commonly…

Hormone therapy lowers the amount of testosterone in the body and this affects your ability to have and maintain an erection. This may get better within 3 to 12 months after the treatment ends. For some men, erection problems are permanent. It depends on the drug you are having and how long you have been…

A physical network diagram shows the actual physical arrangement of the components that make up the network, including cables and hardware. Typically, the diagram gives a bird’s eye view of the network in its physical space, like a floorplan. What are the three main physical topologies? Physical Topologies. There are three basic physical topologies: bus,…

Genes (say: jeenz) play an important role in determining physical traits — how we look —and lots of other stuff about us. They carry information that makes you who you are and what you look like: curly or straight hair, long or short legs, even how you might smile or laugh. Is phenotype genetic or…

Key Concept: System – an object or a collection of two or more objects that are treated as having no internal structure. A system approach is often used to find the acceleration (F = ma, according to Newton’s Second Law of Motion) in which the total mass of the system is used. What is a…

If you perform a comprehensive physical, choose a procedure code from the Preventive Medicine codes CPT 99381-99387 for a new patient, or CPT 99391-99397 for an established patient, and select the code based on the patient’s age. What are the categories of Z codes? What are Z Codes? There are three primary categories under the…

The amplitude of sound is measured in decibel following the Bel System. What is the perception of amplitude? The greater the amplitude, the louder the sound perceived. Amplitude is measured in decibels. The absolute threshold of human hearing is defined as 0 decibels. Loudness doubles with every 10-decibel increase in amplitude. What is the physical…

In anthropology we talk about clinal variation. Cline is a term that was devised by the biologist Julian Huxley to represent a geographical gradient in a particular trait across a species. What is a cline and why is it important for our understanding of human variation? A cline is a gradation in the frequency of…